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Finding the Fourth Proportional to 531,539.06, 733,586.16 and 302,130.86

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Solution

The fourth proportional to 531,539.06, 733,586.16 and 302,130.86 is: 416,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,539.06 : 733,586.16 = 302,130.86 : x
  2. Step 2: Convert to fraction form
    531,539.06/733,586.16 = 302,130.86/x
  3. Step 3: Cross multiply
    531,539.06x = 733,586.16 × 302,130.86
  4. Step 4: Simplify right side
    531,539.06x = 221,639,017,404.90
  5. Step 5: Solve for x
    x = 221,639,017,404.90/531,539.06
  6. Step 6: Final answer
    x = 416,975.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.